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    几招教你如何在R中获取数据进行分析 | 数盟社区
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          几招教你如何在R中获取数据进行分析
         </a>
        </h1>
        <address class="msccaddress ">
         <em>
          3,300 次阅读 -
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          数据分析
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       <p>
        作者：凌燕
       </p>
       <p>
        <strong>
        </strong>
        如今，想要购买一部
        <span class="nounderline">
         手机
        </span>
        已成为一件非常具有挑战性的事，这点很好理解。因为要在如此多的款型和品牌中选择并确定符合最终需求的那款
        <span class="nounderline">
         手机
        </span>
        ， 需要进行深入的产品研究并理解产品的功能。有趣的是，一些产品评论和价格比较，可供用户自由填写和选择，以帮助消费者作出正确的选择。而实际积累的数据也 为消费者对产品决策和最终决定是否购买方面也起了重要作用。作为消费者，寻找合适的数据是一个十分复杂的过程。这样一来，R语言就有了用武之地。使用R语 言进行编程，开发者可以用一个脚本快速绘制统计出适合自己的分析。下面，让我们看看R编程的一些特性和用法。
       </p>
       <p>
        <a href="http://dataunion.org/wp-content/uploads/2015/03/23.jpg">
         <img src="http://dataunion.org/wp-content/uploads/2015/03/23.jpg"/>
        </a>
       </p>
       <p>
        <strong>
         用R语言进行数据处理的不同方法：
        </strong>
       </p>
       <p>
        R可以从以下几个方面读取数据:
       </p>
       <p>
        ·电子数据表
       </p>
       <p>
        ·Excel表
       </p>
       <p>
        ·数据库
       </p>
       <p>
        ·图片
       </p>
       <p>
        ·文本文件
       </p>
       <p>
        ·其他特殊格式
       </p>
       <p>
        <a href="http://dataunion.org/wp-content/uploads/2015/03/36.png">
         <img src="http://dataunion.org/wp-content/uploads/2015/03/36.png"/>
        </a>
       </p>
       <p>
        <strong>
         导入数据
        </strong>
       </p>
       <p>
        不论是本地数据还是网上数据，使用R编程都将能够成功地导入不同格式的数据。
       </p>
       <p>
        <strong>
         从文件中读取数据
        </strong>
       </p>
       <p>
        理想情况下，数据是可以储存在文件系统中的。这些数据必须可读或写，用以识别当前目录中储存的文件。
       </p>
       <p>
        <strong>
         ·目录设置
        </strong>
       </p>
       <p>
        首当其冲的就是设置工作目录。
       </p>
       <p>
        使用命令getwd()来确定目录(文件夹)
       </p>
       <p>
        在linux pc输出显示的路径如下:
       </p>
       <p>
        &gt; getwd()
       </p>
       <p>
        [1] “/home/test”
       </p>
       <p>
        在Windows上描述为:
       </p>
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          </div>
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        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          c:\data\test
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-576865994598f973276796-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-576865994598f973276796-1">
               <span class="crayon-v">
                c
               </span>
               <span class="crayon-o">
                :
               </span>
               <span class="crayon-sy">
                \
               </span>
               <span class="crayon-v">
                data
               </span>
               <span class="crayon-sy">
                \
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               <span class="crayon-v">
                test
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0006 seconds] -->
       <p>
        设置数据文件的保存目录，使用命令setwd(“路径”)，路径数据文件所在的目录和子目录。例如，如果数据在文件temp.txt且此文件在文件夹/home/test/example/，那么在linux上表示为:
       </p>
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        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
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         </span>
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          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
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          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
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           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
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           </div>
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          <div class="crayon-button crayon-expand-button" title="点击展开代码">
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           </div>
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           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          setwd("/home/test/example/")
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
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               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459a0954644669-1">
               <span class="crayon-e">
                setwd
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               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "/home/test/example/"
               </span>
               <span class="crayon-sy">
                )
               </span>
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             </div>
            </td>
           </tr>
          </tbody>
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       </div>
       <!-- [Format Time: 0.0106 seconds] -->
       <p>
        在Windows上，它将被表示为：
       </p>
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         <span class="crayon-title">
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          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
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           </div>
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          <div class="crayon-button crayon-expand-button" title="点击展开代码">
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        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          setwd("C: \mydata\test")
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459a7478699194-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459a7478699194-1">
               <span class="crayon-e">
                setwd
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "C: \mydata\test"
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0006 seconds] -->
       <p>
        这里，有必要知道文件所保存的文件夹地址。
       </p>
       <p>
        <strong>
         ·读取文本文件
        </strong>
       </p>
       <p>
        包含在文本文件的数据可以在R会话时使用扫描命令读取。
       </p>
       <p>
        记住使用选项what= ” “扫描命令，这表明输入的字符将带有数据类型属性。
       </p>
       <p>
        对于这个session，我已经创建了textsample.txtfile文件，它可以在R会话中读取。
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459ad365831084" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; fdata&amp;lt;- scan("textsample.txt",what="")
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459ad365831084-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459ad365831084-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-v">
                fdata
               </span>
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                lt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-o">
                -
               </span>
               <span class="crayon-e">
                scan
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "textsample.txt"
               </span>
               <span class="crayon-sy">
                ,
               </span>
               <span class="crayon-v">
                what
               </span>
               <span class="crayon-o">
                =
               </span>
               <span class="crayon-s">
                ""
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
        现在，fdata将从文本文件中获取数据。
       </p>
       <p>
        让我们先来回顾一些head(fdata)条目命令:
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459b3989632555" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; head(fdata)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459b3989632555-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459b3989632555-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-e">
                head
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                fdata
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0006 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459b9532877890" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          [1] "this"      "is"        "a"         "sample"    "file"      "generated"
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459b9532877890-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459b9532877890-1">
               <span class="crayon-sy">
                [
               </span>
               <span class="crayon-cn">
                1
               </span>
               <span class="crayon-sy">
                ]
               </span>
               <span class="crayon-s">
                "this"
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-s">
                "is"
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-s">
                "a"
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-s">
                "sample"
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-s">
                "file"
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-s">
                "generated"
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0013 seconds] -->
       <p>
        使用tolower将字符串转换成小写字母。
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459bf045086103" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; fdata&amp;lt;-tolower(fdata)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459bf045086103-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459bf045086103-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-v">
                fdata
               </span>
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                lt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-o">
                -
               </span>
               <span class="crayon-e">
                tolower
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                fdata
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0008 seconds] -->
       <p>
        文件中许多都是单独存储，其中存在一些重复词汇。
       </p>
       <p>
        计算词的使用频率
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459c5142583032" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; ft&amp;lt;-table(fdata)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459c5142583032-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459c5142583032-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-v">
                ft
               </span>
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                lt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-o">
                -
               </span>
               <span class="crayon-e">
                table
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                fdata
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0024 seconds] -->
       <p>
        查看ft的饼图情况使用命令：
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459ca717871514" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; pie(ft)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459ca717871514-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459ca717871514-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-e">
                pie
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                ft
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0006 seconds] -->
       <p>
        <a href="http://dataunion.org/wp-content/uploads/2015/03/41.jpg">
         <img src="http://dataunion.org/wp-content/uploads/2015/03/41.jpg"/>
        </a>
       </p>
       <p>
        从上面的图表可以看出，“file”和“the”的使用频率最高。
       </p>
       <p>
        通过max命令可以很容易发现在英国《金融时报》使用频率最大的单词。
       </p>
       <p>
        &gt; max(ft)
       </p>
       <p>
        [1] 4
       </p>
       <p>
        查看该命令的输出：
       </p>
       <p>
        &gt; head(ft)
       </p>
       <p>
        fdata
       </p>
       <p>
        a        be        by       can character   command
       </p>
       <p>
        1         3         1           2             1             1
       </p>
       <p>
        图中点绘处显示单词在频率图对应的位置：
       </p>
       <p>
        &gt; dotchart(ft)
       </p>
       <p>
        <a href="http://dataunion.org/wp-content/uploads/2015/03/5.jpg">
         <img src="http://dataunion.org/wp-content/uploads/2015/03/5.jpg"/>
        </a>
       </p>
       <p>
        <strong>
         ·读取文件数据的命令
        </strong>
       </p>
       <p>
        大家都知道，一些最常见的数据文件都是csv和xls格式文件。csv文件用逗号分隔值，xls是一个excel文件扩展名。
       </p>
       <p>
        <a href="http://dataunion.org/wp-content/uploads/2015/03/6.jpg">
         <img src="http://dataunion.org/wp-content/uploads/2015/03/6.jpg"/>
        </a>
       </p>
       <p>
        一些最常见的数据文件格式，可以通过read.csv和read.table命令处理：
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459d1441201111" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; read.csv("test.csv",header=TRUE)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459d1441201111-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459d1441201111-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-v">
                read
               </span>
               <span class="crayon-sy">
                .
               </span>
               <span class="crayon-e">
                csv
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "test.csv"
               </span>
               <span class="crayon-sy">
                ,
               </span>
               <span class="crayon-v">
                header
               </span>
               <span class="crayon-o">
                =
               </span>
               <span class="crayon-t">
                TRUE
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459d7139171967" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          1  Status   Age    V1     V2     V3    V4
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459d7139171967-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459d7139171967-1">
               <span class="crayon-cn">
                1
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                Status
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                Age
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V1
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V2
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V3
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-v">
                V4
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0067 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459dc036740703" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          2       P 23646 45190  50333  55166 56271
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459dc036740703-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459dc036740703-1">
               <span class="crayon-cn">
                2
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                P
               </span>
               <span class="crayon-cn">
                23646
               </span>
               <span class="crayon-cn">
                45190
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                50333
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                55166
               </span>
               <span class="crayon-cn">
                56271
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459e2268141949" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
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           <div class="crayon-button-icon">
           </div>
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          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          3      CC 26174 35535  38227  37911 41184
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459e2268141949-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459e2268141949-1">
               <span class="crayon-cn">
                3
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                26174
               </span>
               <span class="crayon-cn">
                35535
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                38227
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                37911
               </span>
               <span class="crayon-cn">
                41184
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459e8236097647" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          4      CC 27723 25691  25712  26144 26398
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459e8236097647-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459e8236097647-1">
               <span class="crayon-cn">
                4
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                27723
               </span>
               <span class="crayon-cn">
                25691
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                25712
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                26144
               </span>
               <span class="crayon-cn">
                26398
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459ed242667756" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
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          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          5      CC 27193 30949  29693  29754 30772
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459ed242667756-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459ed242667756-1">
               <span class="crayon-cn">
                5
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                27193
               </span>
               <span class="crayon-cn">
                30949
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                29693
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                29754
               </span>
               <span class="crayon-cn">
                30772
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0012 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459f2943901949" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
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          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
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          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          6      CC 24370 50542  51966  54341 54273
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459f2943901949-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459f2943901949-1">
               <span class="crayon-cn">
                6
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                24370
               </span>
               <span class="crayon-cn">
                50542
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                51966
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                54341
               </span>
               <span class="crayon-cn">
                54273
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459f8082032790" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          7      CC 28359 58591  58803  59435 61292
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459f8082032790-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459f8082032790-1">
               <span class="crayon-cn">
                7
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                28359
               </span>
               <span class="crayon-cn">
                58591
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                58803
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                59435
               </span>
               <span class="crayon-cn">
                61292
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-57686599459fd030307673" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          8      CC 25136 45801  45389  47197 47126
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-57686599459fd030307673-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-57686599459fd030307673-1">
               <span class="crayon-cn">
                8
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                25136
               </span>
               <span class="crayon-cn">
                45801
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                45389
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                47197
               </span>
               <span class="crayon-cn">
                47126
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0008 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a03001118704" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; read.table("test.csv",header=TRUE)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a03001118704-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a03001118704-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-v">
                read
               </span>
               <span class="crayon-sy">
                .
               </span>
               <span class="crayon-e">
                table
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "test.csv"
               </span>
               <span class="crayon-sy">
                ,
               </span>
               <span class="crayon-v">
                header
               </span>
               <span class="crayon-o">
                =
               </span>
               <span class="crayon-t">
                TRUE
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0008 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a08502063287" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          Status   Age    V1    V2    V3    V4
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a08502063287-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a08502063287-1">
               <span class="crayon-i">
                Status
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                Age
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V1
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V2
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V3
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-v">
                V4
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a0e787962104" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          1      P 23646 45190 50333 55166 56271
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a0e787962104-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a0e787962104-1">
               <span class="crayon-cn">
                1
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                P
               </span>
               <span class="crayon-cn">
                23646
               </span>
               <span class="crayon-cn">
                45190
               </span>
               <span class="crayon-cn">
                50333
               </span>
               <span class="crayon-cn">
                55166
               </span>
               <span class="crayon-cn">
                56271
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a13309320226" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          2     CC 26174 35535 38227 37911 41184
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a13309320226-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a13309320226-1">
               <span class="crayon-cn">
                2
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                26174
               </span>
               <span class="crayon-cn">
                35535
               </span>
               <span class="crayon-cn">
                38227
               </span>
               <span class="crayon-cn">
                37911
               </span>
               <span class="crayon-cn">
                41184
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0011 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a19848375907" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          3     CC 27723 25691 25712 26144 26398
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a19848375907-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a19848375907-1">
               <span class="crayon-cn">
                3
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                27723
               </span>
               <span class="crayon-cn">
                25691
               </span>
               <span class="crayon-cn">
                25712
               </span>
               <span class="crayon-cn">
                26144
               </span>
               <span class="crayon-cn">
                26398
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0007 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a1e878677874" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          4     CC 27193 30949 29693 29754 30772
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a1e878677874-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a1e878677874-1">
               <span class="crayon-cn">
                4
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                27193
               </span>
               <span class="crayon-cn">
                30949
               </span>
               <span class="crayon-cn">
                29693
               </span>
               <span class="crayon-cn">
                29754
               </span>
               <span class="crayon-cn">
                30772
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a24440119319" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          5     CC 24370 50542 51966 54341 54273
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a24440119319-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a24440119319-1">
               <span class="crayon-cn">
                5
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                24370
               </span>
               <span class="crayon-cn">
                50542
               </span>
               <span class="crayon-cn">
                51966
               </span>
               <span class="crayon-cn">
                54341
               </span>
               <span class="crayon-cn">
                54273
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0007 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a29389888859" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
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          6     CC 28359 58591 58803 59435 61292
         </textarea>
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              <div class="crayon-num" data-line="crayon-5768659945a29389888859-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
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                6
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                28359
               </span>
               <span class="crayon-cn">
                58591
               </span>
               <span class="crayon-cn">
                58803
               </span>
               <span class="crayon-cn">
                59435
               </span>
               <span class="crayon-cn">
                61292
               </span>
              </div>
             </div>
            </td>
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       <!-- [Format Time: 0.0007 seconds] -->
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       </p>
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          7     CC 25136 45801 45389 47197 47126
         </textarea>
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          <tbody>
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            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a2e061389368-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a2e061389368-1">
               <span class="crayon-cn">
                7
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                CC
               </span>
               <span class="crayon-cn">
                25136
               </span>
               <span class="crayon-cn">
                45801
               </span>
               <span class="crayon-cn">
                45389
               </span>
               <span class="crayon-cn">
                47197
               </span>
               <span class="crayon-cn">
                47126
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0007 seconds] -->
       <p>
        <strong>
         ·直接从网上获取数据
        </strong>
       </p>
       <p>
        大家可以直接从网上读取数据。这些数据可通过网站链接获取，或通过R记忆URL直接获得数据。网络上的数据设置可登录http://lib.statNaNu.edu/datasets/csb/ch3a.dat。输入read.csv或read.table命令直接读取数据。
       </p>
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          data1&amp;lt;-read.table( "http://lib.statNaNu.edu/datasets/csb/ch3a.dat")
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               1
              </div>
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              <div class="crayon-line" id="crayon-5768659945a34225055352-1">
               <span class="crayon-v">
                data1
               </span>
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                lt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-o">
                -
               </span>
               <span class="crayon-v">
                read
               </span>
               <span class="crayon-sy">
                .
               </span>
               <span class="crayon-e">
                table
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "http://lib.statNaNu.edu/datasets/csb/ch3a.dat"
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
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          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
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       </p>
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         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; head(data1)
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              <div class="crayon-num" data-line="crayon-5768659945a4e741497766-1">
               1
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             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
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               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-e">
                head
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                data1
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
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          </tbody>
         </table>
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       </p>
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          V1    V2    V3    V4    V5
         </textarea>
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              <div class="crayon-num" data-line="crayon-5768659945a56262106410-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a56262106410-1">
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V1
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V2
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V3
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-i">
                V4
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-v">
                V5
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0084 seconds] -->
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       </p>
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          1 07/08/91 47.33 52.82 19.58 17.78
         </textarea>
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              <div class="crayon-num" data-line="crayon-5768659945a5c771716010-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a5c771716010-1">
               <span class="crayon-cn">
                1
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                08
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-cn">
                47.33
               </span>
               <span class="crayon-cn">
                52.82
               </span>
               <span class="crayon-cn">
                19.58
               </span>
               <span class="crayon-cn">
                17.78
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
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       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a61863023436" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          2 07/09/91 42.58 53.25  9.42  6.06
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a61863023436-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a61863023436-1">
               <span class="crayon-cn">
                2
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                09
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-cn">
                42.58
               </span>
               <span class="crayon-cn">
                53.25
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                9.42
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                6.06
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a67445036696" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          3 07/10/91 59.55 56.32 19.83 14.81
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a67445036696-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a67445036696-1">
               <span class="crayon-cn">
                3
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                10
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-cn">
                59.55
               </span>
               <span class="crayon-cn">
                56.32
               </span>
               <span class="crayon-cn">
                19.83
               </span>
               <span class="crayon-cn">
                14.81
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a6c788076033" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          4 07/11/91 52.92 50.06 15.08  9.75
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a6c788076033-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a6c788076033-1">
               <span class="crayon-cn">
                4
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                11
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-cn">
                52.92
               </span>
               <span class="crayon-cn">
                50.06
               </span>
               <span class="crayon-cn">
                15.08
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                9.75
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a72169247613" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          5 07/12/91 55.25 59.50 28.75 27.21
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a72169247613-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a72169247613-1">
               <span class="crayon-cn">
                5
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                12
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-cn">
                55.25
               </span>
               <span class="crayon-cn">
                59.50
               </span>
               <span class="crayon-cn">
                28.75
               </span>
               <span class="crayon-cn">
                27.21
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0080 seconds] -->
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a77802617095" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          6 07/13/91 54.75 56.80 27.83 20.84
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a77802617095-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a77802617095-1">
               <span class="crayon-cn">
                6
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                13
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-cn">
                54.75
               </span>
               <span class="crayon-cn">
                56.80
               </span>
               <span class="crayon-cn">
                27.83
               </span>
               <span class="crayon-cn">
                20.84
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0010 seconds] -->
       <p>
       </p>
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a7d418962535" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945a7d418962535-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a7d418962535-1">
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <p>
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945a83756367285" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
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         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
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          data2&amp;lt;-read.csv( "http://lib.statNaNu.edu/datasets/csb/ch3a.dat")
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              <div class="crayon-num" data-line="crayon-5768659945a83756367285-1">
               1
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                lt
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                -
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                read
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                csv
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          &amp;gt; head(data2)
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                ;
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                head
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                data2
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          X07.08.91....47.33....52.82....19.58....17.78
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               1
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             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
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                X07
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                .
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                08.91....47.33....52.82....19.58....17.78
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          1  07/09/91    42.58    53.25     9.42     6.06
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               1
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             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
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                1
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               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                07
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                /
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               <span class="crayon-cn">
                09
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                /
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               <span class="crayon-cn">
                91
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               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                42.58
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               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                53.25
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               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                9.42
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               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                6.06
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          2  07/10/91    59.55    56.32    19.83    14.81
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               1
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             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
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                2
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               <span class="crayon-h">
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               <span class="crayon-cn">
                07
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               <span class="crayon-o">
                /
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               <span class="crayon-cn">
                10
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                /
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               <span class="crayon-cn">
                91
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               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                59.55
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               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                56.32
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               </span>
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               </span>
               <span class="crayon-cn">
                19.83
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               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                14.81
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          3  07/11/91    52.92    50.06    15.08     9.75
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        <div class="crayon-main" style="">
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              <div class="crayon-num" data-line="crayon-5768659945a9e108052970-1">
               1
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            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945a9e108052970-1">
               <span class="crayon-cn">
                3
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               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                11
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
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               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                52.92
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               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                50.06
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                15.08
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                9.75
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0134 seconds] -->
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       </p>
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          4  07/12/91    55.25    59.50    28.75    27.21
         </textarea>
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        <div class="crayon-main" style="">
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            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945aa4330664705-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945aa4330664705-1">
               <span class="crayon-cn">
                4
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                12
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                55.25
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                59.50
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                28.75
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                27.21
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0146 seconds] -->
       <p>
       </p>
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         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          5  07/13/91    54.75    56.80    27.83    20.84
         </textarea>
        </div>
        <div class="crayon-main" style="">
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          <tbody>
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            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945aa9533293045-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945aa9533293045-1">
               <span class="crayon-cn">
                5
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                13
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                54.75
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                56.80
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                27.83
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                20.84
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0156 seconds] -->
       <p>
       </p>
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        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          6  07/14/91    35.33    40.88    11.83    15.65
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945aaf936875709-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945aaf936875709-1">
               <span class="crayon-cn">
                6
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                07
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                14
               </span>
               <span class="crayon-o">
                /
               </span>
               <span class="crayon-cn">
                91
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                35.33
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                40.88
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                11.83
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-h">
               </span>
               <span class="crayon-cn">
                15.65
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0014 seconds] -->
       <p>
        data1以及data2是持有相同的文件不同格式的两个数据对象。
       </p>
       <p>
        Reading Spreadsheets
       </p>
       <p>
        <strong>
         ·阅读电子表格
        </strong>
       </p>
       <p>
        阅读电子表格数据，我们需要安装gdata库。
       </p>
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        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; install.packages("gdata")
         </textarea>
        </div>
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             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945ab4903541384-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
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               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-v">
                install
               </span>
               <span class="crayon-sy">
                .
               </span>
               <span class="crayon-e">
                packages
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-s">
                "gdata"
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0131 seconds] -->
       <p>
       </p>
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        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; library(gdata)
         </textarea>
        </div>
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          <tbody>
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            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945aba616074705-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945aba616074705-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-e">
                library
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                gdata
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0109 seconds] -->
       <p>
        读取这个包的数据，可使用新命令read.xls。
       </p>
       <p>
        The data file test.xls can be read with read.xls(“test.xls”).
       </p>
       <p>
        数据文件test.xls可输入命令read.xls xls(“test.xls”)读取。
       </p>
       <p>
        Fill Spread Sheet Type Data Through the Editor in R
       </p>
       <p>
        <strong>
         通过编辑R填补传播表类型数据
        </strong>
       </p>
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           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          x&amp;lt;-edit(as.data.frame(NULL))
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945abf567485154-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945abf567485154-1">
               <span class="crayon-h">
               </span>
               <span class="crayon-v">
                x
               </span>
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                lt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-o">
                -
               </span>
               <span class="crayon-e">
                edit
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-st">
                as
               </span>
               <span class="crayon-sy">
                .
               </span>
               <span class="crayon-v">
                data
               </span>
               <span class="crayon-sy">
                .
               </span>
               <span class="crayon-e">
                frame
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-t">
                NULL
               </span>
               <span class="crayon-sy">
                )
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0013 seconds] -->
       <p>
        <a href="http://dataunion.org/wp-content/uploads/2015/03/7.jpg">
         <img src="http://dataunion.org/wp-content/uploads/2015/03/7.jpg"/>
        </a>
       </p>
       <p>
        <strong>
         R中的数据集
        </strong>
       </p>
       <p>
        <strong>
        </strong>
        可以使用显示R中的数据集的命令data()将可用数据集置入R中。
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945ac6537203805" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          data(Airpassengers)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945ac6537203805-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945ac6537203805-1">
               <span class="crayon-e">
                data
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                Airpassengers
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0008 seconds] -->
       <p>
        查看数据描述，使用命令:
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945acb079460767" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          help(AirPassengers)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945acb079460767-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945acb079460767-1">
               <span class="crayon-e">
                help
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                AirPassengers
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0007 seconds] -->
       <p>
        查看实际数据，使用head命令:
       </p>
       <!-- Crayon Syntax Highlighter v_2.7.2_beta -->
       <div class="crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate" data-settings=" minimize scroll-mouseover" id="crayon-5768659945ad1138568694" style=" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;">
        <div class="crayon-toolbar" data-settings=" mouseover overlay hide delay" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
         <span class="crayon-title">
         </span>
         <div class="crayon-tools" style="font-size: 12px !important;height: 18px !important; line-height: 18px !important;">
          <div class="crayon-button crayon-nums-button" title="切换是否显示行编号">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-plain-button" title="纯文本显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-wrap-button" title="切换自动换行">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-expand-button" title="点击展开代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-copy-button" title="复制代码">
           <div class="crayon-button-icon">
           </div>
          </div>
          <div class="crayon-button crayon-popup-button" title="在新窗口中显示代码">
           <div class="crayon-button-icon">
           </div>
          </div>
         </div>
        </div>
        <div class="crayon-info" style="min-height: 16.8px !important; line-height: 16.8px !important;">
        </div>
        <div class="crayon-plain-wrap">
         <textarea class="crayon-plain print-no" data-settings="dblclick" readonly="" style="-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;" wrap="soft">
          &amp;gt; head(AirPassengers)
         </textarea>
        </div>
        <div class="crayon-main" style="">
         <table class="crayon-table">
          <tbody>
           <tr class="crayon-row">
            <td class="crayon-nums " data-settings="show">
             <div class="crayon-nums-content" style="font-size: 12px !important; line-height: 15px !important;">
              <div class="crayon-num" data-line="crayon-5768659945ad1138568694-1">
               1
              </div>
             </div>
            </td>
            <td class="crayon-code">
             <div class="crayon-pre" style="font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;">
              <div class="crayon-line" id="crayon-5768659945ad1138568694-1">
               <span class="crayon-o">
                &amp;
               </span>
               <span class="crayon-v">
                gt
               </span>
               <span class="crayon-sy">
                ;
               </span>
               <span class="crayon-e">
                head
               </span>
               <span class="crayon-sy">
                (
               </span>
               <span class="crayon-v">
                AirPassengers
               </span>
               <span class="crayon-sy">
                )
               </span>
              </div>
             </div>
            </td>
           </tr>
          </tbody>
         </table>
        </div>
       </div>
       <!-- [Format Time: 0.0009 seconds] -->
       <p>
       </p>
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